選擇題..
1.in the algebraic expression ut 1
+ ---- at2<<<<<<<<<<<2係2次方 how many variables are there?
2
a.2
b.3
c.4
d.5
2.which of the following has ths greatest value?
a.32%
b.0.315
c.27分之8
d.7分之2
3.there are 12 pears and 18 oranges in a basket. what is the percentage of the number of oranges to the number of fruits in the basket?
a.40%
b.50%
c.60%
d.150%
4.if the football is sold at 20% discount.what is the selling price?
a.$140
b.$145
c.$150
d.$155
仲有...
盒中有m個紅球和n個白球,若紅球的數量是白球的45%,而每種球的數量都少於50.寫出2組m和n的值.
(A)m= n= (b)m= n=
新增的
5.how many times does a square overlap the original shape in one rotation?
a.1
b.2
c.3
d.4
[ 此帖被↗滅絕↖在2008-08-10 15:18重新編� ]